2. which type of stress is shown in the image?
o a. shear stress
o b. tension stress
o c. compression stress
o d. uniform stress
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What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi